package com.zhuhjay.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.zhuhjay.eduorder.entity.Order;
import com.zhuhjay.eduorder.entity.PayLog;
import com.zhuhjay.eduorder.mapper.PayLogMapper;
import com.zhuhjay.eduorder.prop.WxPayProperties;
import com.zhuhjay.eduorder.service.OrderService;
import com.zhuhjay.eduorder.service.PayLogService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.zhuhjay.eduorder.utils.HttpClient;
import com.zhuhjay.servicebase.exception.GuLiException;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author ZhuHJay
 * @since 2022-09-09
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Resource
    private OrderService orderService;

    @Resource
    private WxPayProperties wxPayProperties;

    @Override
    public Map<String, Object> createNative(String orderNo) {
        try {
            //1 根据订单号查询订单信息
            Order order = orderService.getOne(new LambdaQueryWrapper<Order>()
                    .eq(Order::getOrderNo, orderNo));

            //2 使用map设置生成二维码需要参数
            Map<String, String> m = new HashMap<>(10);
            m.put("appid", wxPayProperties.getAppId());
            m.put("mch_id", wxPayProperties.getPartner());
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            //课程标题
            m.put("body", order.getCourseTitle());
            //订单号
            m.put("out_trade_no", orderNo);
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", wxPayProperties.getNotifyUrl());
            m.put("trade_type", "NATIVE");

            //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m,wxPayProperties.getPartnerKey()));
            client.setHttps(true);
            //执行post请求发送
            client.post();

            //4 得到发送请求返回结果
            //返回内容，是使用xml格式返回
            String xml = client.getContent();

            //把xml格式转换map集合，把map集合返回
            Map<String,String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据 的封装
            Map<String, Object> map = new HashMap<>(10);
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            //返回二维码操作状态码
            map.put("result_code", resultMap.get("result_code"));
            //二维码地址
            map.put("code_url", resultMap.get("code_url"));

            return map;
        }catch(Exception e) {
            throw new GuLiException(20001,"生成二维码失败");
        }
    }

    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map<String, String> m = new HashMap<>(5);
            m.put("appid", wxPayProperties.getAppId());
            m.put("mch_id", wxPayProperties.getPartner());
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 发送httpclient
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,wxPayProperties.getPartnerKey()));
            client.setHttps(true);
            client.post();

            //3 得到请求返回内容
            String xml = client.getContent();
            //6、转成Map再返回
            return WXPayUtil.xmlToMap(xml);
        }catch(Exception e) {
            return null;
        }
    }

    @Override
    public void updateOrderStates(Map<String, String> map) {
        //从map获取订单号
        String orderNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        Order order = orderService.getOne(new LambdaQueryWrapper<Order>()
                .eq(Order::getOrderNo, orderNo));

        //更新订单表订单状态
        if(order.getStatus() == 1) {
            return;
        }
        //1代表已经支付
        order.setStatus(1);
        orderService.updateById(order);

        //向支付表添加支付记录
        PayLog payLog = new PayLog()
                //订单号
                .setOrderNo(orderNo)
                //订单完成时间
                .setPayTime(new Date())
                //支付类型 1微信
                .setPayType(1)
                //总金额(分)
                .setTotalFee(order.getTotalFee())
                //支付状态
                .setTradeState(map.get("trade_state"))
                //流水号
                .setTransactionId(map.get("transaction_id"))
                .setAttr(JSONObject.toJSONString(map));

        this.save(payLog);
    }
}
